Ultrastructure Of Skeletal Muscles Flashcards
(5 cards)
1
Q
What is the Z-line?
A
- connects actin filaments
- distance of sarcomere
2
Q
What is the M line?
A
- connects myosin filaments
3
Q
What is the I band?
A
- connects only actin filaments which are thin
4
Q
What is the A band?
A
- contains myosin filaments which are thick
- contains overlapping region of actin and myosin which is the darkest region
5
Q
What is the H zone?
A
- centre of the A band which only contains myosin
